L Hance Wetland Reserve Dam

MALTERNA CREEK· St. Lawrence, New York· Built 2000· Earth· 10 ft tall
Low Hazard Fish And Wildlife Pond Private

Key Takeaway

L Hance Wetland Reserve Dam is classified as low hazard in New York. It was completed in 2000 and is 26 years old. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 10 ft (taller than 12.4% in NY)
Dam TypeEarth
Max Storage59 acre-ft
Normal Storage20 acre-ft
Surface Area12 acres
Drainage Area2 sq mi
Max Discharge443 cfs
Year Completed2000 (26 years old)
NID IDNY16053

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

LARRY E HANCE

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of L Hance Wetland Reserve Dam?

L Hance Wetland Reserve Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates L Hance Wetland Reserve Dam?

L Hance Wetland Reserve Dam is owned by LARRY E HANCE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was L Hance Wetland Reserve Dam built?

L Hance Wetland Reserve Dam was completed in 2000, making it 26 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of L Hance Wetland Reserve Dam?

L Hance Wetland Reserve Dam serves the following purposes: Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is L Hance Wetland Reserve Dam?

L Hance Wetland Reserve Dam has a dam height of 10 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.